Fastening device



Patented June 24, 1947 Y UNITED STATES PATENT OFFICE FASTENIN G DEVICE Marvin Paul McClain, Richmond, Va., assignor of one-half to James N. Johnson, Baltimore, Md.

Application December 11, 1944, Serial No. 567,619 1 Claim. (Cl. 292-328) This invention relates to a fastening device and moved from aperture I0 and wing nut 6 threadone of its objects is the provision of a fastener ably moved toward the tip of arm 4 until arm 3 consisting of a shackle upon which is slidably is free from socket B. mounted a bar adapted to be ysecured thereto. The fastener may be provided with a chain for Another object of this invention is the pro- 5 securing it near the point to be fastened. vision of a fastener adapted to accommodate a Having described this invention what is claimed sealing device. is

Other objects and features will more fully ap- In a device of the character described consistpear from the following description and accoming of a U-shackle provided with a short arm and panying drawing, in which Fig. 1 is a vertical secl0 a long threaded arm, the short arm extending to tional side view; Fig. 2 is a vertical sectional rear a point beyond the unthreaded portion of thev View, and Fig. 3 is a side view in perspective. long arm; a pin disposed in said long arm just Referring tol the drawings, a shackle I is proabove its threaded portion; a bar provided with a vided with a shoulder 2 from which respectively socket member extending therefrom and adaptdepend arms 3 and 4; the former being the 15 ed to receive the end of said short arm prior to shorter in length. Arm 4 is threaded and has a engagement of the pin against the bar; an orice pin 5 disposed therein to form a stop. A wing disposed in said bar for accommodating said long nut 6 is threadably mounted on arm 4. arm; a nut mounted in threadable fashion on A bar 'I is provided with an apertured-SOCket 8 said long arm and adapted to support said bar near one of its ends and an orifice 9 near the 20 and secure said bar against said pin.

other of its ends. Arms 3 and 4 of the shackle MARVIN PAUL MCCLAIN. are for respective disposition in socket 8 and orifice 9 of the bar, as clearly illustrated in Fig. 3 REFERENCES CITED of the drawings.

An aperture I0 is disposed in arm 4 and adapt- 25 lTh lgowng rtajferences are of record m the ed to accommodate a seal or the like. A hole Il e 0 1S pa en is located near the tip of arm 4 and a chain I2 has UNITED STATES PATENTS one of its links therein.

The fastener functions as follows: the bar 'l is Number Name Date mounted in slidable fashion upon arm 4, and 30 '77.953 BCkerSta May 19j 1868 when arm 3 is disposed in socket 8 the fastener 204,226 Hunter May 28, 1878 is in closed position. To maintain the fastener 319,400 Gaines June 2, 1885 in closed position said bar is held rmly against 780,810 Payne Jan. 24, 1905 pin 5 by wing nut 6; which latter may be limited 1,467,000 Jauch Sept. 4, 1923 in one directional movement by a seal or the like, 35 1,867,689 Van Leer July 19, 1932 as clearly illustrated in Fig. 3 of the drawings. 2,301,611 Brocinerl Nov` 10, 1942 To unfasten the device the seal (if used) is re- 431,051 Greene July 1, 1890 

